Use row operations to solve the system. x+y-z=9 3x-y+z=-1 x-2y+4z=8
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Use row operations to solve the system.
x+y-z=9
3x-y+z=-1
x-2y+4z=8
Question content area bottom
Part 1
Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.
This system has exactly one solution. The solution is enter your response here,enter your response here,enter your response here.
(Type an exact answer in simplified form.)
This system has infinitely many solutions of the form
enter your response here,enter your response here,z,
where z is any real number.(Type expressions using z as the variable.)
This system has no solution.
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